Jun 18, 2016 · 1 min read


    Written by

    co-founder of @SolarMosaic and @EnergyAction and author of @mkngood. dad, yale drop-out, ashoka fellow.

    Welcome to a place where words matter. On Medium, smart voices and original ideas take center stage - with no ads in sight. Watch
    Follow all the topics you care about, and we’ll deliver the best stories for you to your homepage and inbox. Explore
    Get unlimited access to the best stories on Medium — and support writers while you’re at it. Just $5/month. Upgrade